﻿#region Librerias

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows.Markup;
using ESF.General;

#endregion


namespace ESF.SFT.FileUploader.Converters
{
	[ValueConversion(typeof(long?), typeof(string))]
	public class ErrorValueConverter : MarkupExtension, IValueConverter
	{
		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			if (value == null) { return string.Empty; }

			return string.Format ("[{0}]", value);
		}


		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			return null;
		}


		public override object ProvideValue(IServiceProvider serviceProvider)
		{
			return this;
		}
	}
}
